Extension mine new charge methods to improve the quality of blasting to reduce blasting costs using BJQ air spacer.
利用BJQ空气间隔器，研究推广矿山新的装药方法，提高爆破质量，降低爆破成本。
The sublevel interval Charging is introduced which can significantly improve the quality of blasting thus reducing operation cost.
通过对气囊间隔器在爆破工作中的使用情况分析，提出采用分段间隔装药技术，提高爆破质量降低采矿成本。
According to deep hole blasting practice, the wide hole spacing small burden technology is studied because the technology can improve quality of blasting.
根据深孔爆破工程实践，对宽孔距小抵抗线爆破技术进行了研究，该技术可改善爆破质量。
The quality of borehole directly influences the effect of blasting.
钻孔质量的好坏，直接关系到爆破效果的优劣。
The fragment-size distribution of rock blasting is an important index to evaluate the blasting quality quantitatively.
岩体的爆破块度分布是定量评价爆破质量的重要指标之一。
The blasting boulder yield is an important quality indicators in the step long-hole blasting of surface mine.
大块率是评价露天矿台阶深孔爆破质量的重要指标之一。
To determine rational microsecond delay time is both the requirement of ensuring blasting quality and the key to achieve blasting vibration reduction.
确定合理的微差间隔时间，既是保证爆破质量的需要，又是达到爆破降震的关键。
On the basis of analysing mechanism of blasting, have probed into and confirmed various kinds of factors that influences the high slope to digging of blasting shaping quality and the stability.
在分析爆破机理的基础上，探讨并确定了影响高边坡爆破开挖成型质量和稳定性的各种因素。
In the light of some actual examples in blasting quality accidents, the causes of blasting quality accidents are analyzed.
结合爆破质量事故实例，对产生爆破质量事故的原因进行了分析。
Cutting excavation blasting in expressway construction is characterized by a wide range of excavation height, small excavation section and high quality requirements.
高速公路路堑爆破开挖工程具有开挖高度变化大、开挖断面小、开挖轮廓要求严、特别是边坡质量要求高等特点。
The noise of the blasting fringe pattern is reduced and quality is increased after processing by gradation modification, filtering and smoothness.
爆炸条纹图经灰度修正、滤波、平滑后，噪声有所减少，图像质量增强。
Smooth blasting is an advanced technique which makes the new wall flat and undamaged and important to the fast excavation in rock tunnel, which affects the quality and driving speed of tunnel.
光面爆破是一种使爆出的新壁面保持平整而不受明显破坏的爆破技术，是岩巷快速掘进工艺的重要环节，它严格影响着巷道的质量和成巷速度。
The blasting quality was consolidated and enhanced by the establishment and implement of blasting quality control system.
通过爆破质量管理制度的建立和实施，使露天采矿场爆破质量得到进一步的巩固和提高。
With theoretic analysis and engineering example, some methods are introduced to improve the quality and effect of blasting for different rock interlayers.
通过理论分析和工程实例，介绍了对不同夹层所采取的相应措施达到改善爆破质量与爆破效果的目的。
In rock blasting, the rock interlayer has great influence on the quality and effect of blasting.
在土岩爆破中，夹层的存在对爆破质量和爆破效果有着较大的影响。
The analysis has be done about the mechanism of the technology and the design of blasting net and the blasting vibration and quality.
对逐孔起爆技术的机理、爆破网络设计以及爆破震动和质量等结果进行了分析。
The demolition described here is a chamber blasting which conducted for exploitation of stones within a limited time, under a strict requirement of high quality and low cost.
在时间紧、任务重、要求高、成本低的情况下，进行了一次以石料开采为目的的硐室爆破。
The principles obtained are expected to be useful for layout of charges, improving distribution of energy, optimizing blasting design and improving blasting quality.
此原则对药包布置、改善能量分布、优化爆破设计、提高爆破质量有一定的指导意义。
The construction technology, safety control and quality examination requirements of blasting method for underwater soft foundation of dikes and revetment words are briefly introduced.
简要介绍爆炸处理水下软基筑堤和护岸工程的施工工艺、施工安全控制、质量检验要求及方法。
Through altering the Q365 shot blasting house, abrator head can raise the quality of sand cleaning, and improve the appearance of casting.
通过对Q 365抛丸清理室的改造，增加抛丸头，提高了清砂质量及效率，进一步改善了铸件的外观质量。
Through altering the Q365 shot blasting house, abrator head can raise the quality of sand cleaning, and improve the appearance of casting.
通过对Q 365抛丸清理室的改造，增加抛丸头，提高了清砂质量及效率，进一步改善了铸件的外观质量。
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